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2025-11-25 - 18:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack6slot0.osadl.org (updated Tue Nov 25, 2025 13:02:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3052299258253,3cyclictest0-21swapper/2509:30:1318
3052299258253,3cyclictest0-21swapper/2509:30:1318
3052299258253,3cyclictest0-21swapper/2509:30:1318
304849925212,226cyclictest18164-21NetworkChangeNo09:50:2039
304849925212,226cyclictest18164-21NetworkChangeNo09:50:2039
304849925212,226cyclictest18164-21NetworkChangeNo09:50:2039
3053599245217,11cyclictest0-21swapper/3612:35:1830
3053599245217,11cyclictest0-21swapper/3612:35:1830
3053599231201,13cyclictest15983-21CPU30
3053599231201,13cyclictest15983-21CPU30
3053599228200,12cyclictest15985-21CPU30
3053599228200,12cyclictest15985-21CPU30
3053599228200,12cyclictest15985-21CPU30
304989922616,74cyclictest17241-21inotify_reader10:35:195
304989922616,74cyclictest17241-21inotify_reader10:35:195
304989922616,74cyclictest17241-21inotify_reader10:35:195
3053599221199,12cyclictest26736-21NetworkChangeNo08:05:1930
3045199221195,11cyclictest0-21swapper/107:50:171
3045199221195,11cyclictest0-21swapper/107:50:171
3050299208200,7cyclictest0-21swapper/1410:11:086
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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